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For the laboratory portion of this lesson, you will have to set up the ring stands, rings, funnels, and graduated cylinders.Fill the funnels with ice before the students arrive in the classroom.Written below is the case as it appears on The Case of the Melting Ice student sheet.The Case of the Melting Ice Frosty the Snowman lies melting in the funnels at your lab station.Living things have about 15 disintegrations per minute per gram of carbon.

October 19, 2017#We Advocate: Charities on the Hill ............................................................................(This page has been archived and is found on the Internet Archive.) In addition to using answers to students' Analysis questions and their graphs for evaluation, consider having them respond to the following in their science journals or as a homework essay: Pretend you are on a month-long field trip to dig for artifacts that might have been left from the pre-colonial period in the United States.Write a letter to a friend explaining what radiocarbon dating is.Make a data table and, at regular intervals (you decide how long), record the time on the clock and the volume of water in the graduated cylinder.Stop after about 30 minutes, unless Frosty has completely melted earlier.

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The exercise they will go through of working backwards from measurements to age should help them understand how scientists use carbon dating to try to determine the age of fossils and other materials.

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